#ifndef _UAPI_LINUX_MOUNT_H #define _UAPI_LINUX_MOUNT_H #include <linux/types.h> /* * These are the fs-independent mount-flags: up to 32 flags are supported * * Usage of these is restricted within the kernel to core mount(2) code and * callers of sys_mount() only. Filesystems should be using the SB_* * equivalent instead. */ #define MS_RDONLY … #define MS_NOSUID … #define MS_NODEV … #define MS_NOEXEC … #define MS_SYNCHRONOUS … #define MS_REMOUNT … #define MS_MANDLOCK … #define MS_DIRSYNC … #define MS_NOSYMFOLLOW … #define MS_NOATIME … #define MS_NODIRATIME … #define MS_BIND … #define MS_MOVE … #define MS_REC … #define MS_VERBOSE … #define MS_SILENT … #define MS_POSIXACL … #define MS_UNBINDABLE … #define MS_PRIVATE … #define MS_SLAVE … #define MS_SHARED … #define MS_RELATIME … #define MS_KERNMOUNT … #define MS_I_VERSION … #define MS_STRICTATIME … #define MS_LAZYTIME … /* These sb flags are internal to the kernel */ #define MS_SUBMOUNT … #define MS_NOREMOTELOCK … #define MS_NOSEC … #define MS_BORN … #define MS_ACTIVE … #define MS_NOUSER … /* * Superblock flags that can be altered by MS_REMOUNT */ #define MS_RMT_MASK … /* * Old magic mount flag and mask */ #define MS_MGC_VAL … #define MS_MGC_MSK … /* * open_tree() flags. */ #define OPEN_TREE_CLONE … #define OPEN_TREE_CLOEXEC … /* * move_mount() flags. */ #define MOVE_MOUNT_F_SYMLINKS … #define MOVE_MOUNT_F_AUTOMOUNTS … #define MOVE_MOUNT_F_EMPTY_PATH … #define MOVE_MOUNT_T_SYMLINKS … #define MOVE_MOUNT_T_AUTOMOUNTS … #define MOVE_MOUNT_T_EMPTY_PATH … #define MOVE_MOUNT_SET_GROUP … #define MOVE_MOUNT_BENEATH … #define MOVE_MOUNT__MASK … /* * fsopen() flags. */ #define FSOPEN_CLOEXEC … /* * fspick() flags. */ #define FSPICK_CLOEXEC … #define FSPICK_SYMLINK_NOFOLLOW … #define FSPICK_NO_AUTOMOUNT … #define FSPICK_EMPTY_PATH … /* * The type of fsconfig() call made. */ enum fsconfig_command { … }; /* * fsmount() flags. */ #define FSMOUNT_CLOEXEC … /* * Mount attributes. */ #define MOUNT_ATTR_RDONLY … #define MOUNT_ATTR_NOSUID … #define MOUNT_ATTR_NODEV … #define MOUNT_ATTR_NOEXEC … #define MOUNT_ATTR__ATIME … #define MOUNT_ATTR_RELATIME … #define MOUNT_ATTR_NOATIME … #define MOUNT_ATTR_STRICTATIME … #define MOUNT_ATTR_NODIRATIME … #define MOUNT_ATTR_IDMAP … #define MOUNT_ATTR_NOSYMFOLLOW … /* * mount_setattr() */ struct mount_attr { … }; /* List of all mount_attr versions. */ #define MOUNT_ATTR_SIZE_VER0 … /* * Structure for getting mount/superblock/filesystem info with statmount(2). * * The interface is similar to statx(2): individual fields or groups can be * selected with the @mask argument of statmount(). Kernel will set the @mask * field according to the supported fields. * * If string fields are selected, then the caller needs to pass a buffer that * has space after the fixed part of the structure. Nul terminated strings are * copied there and offsets relative to @str are stored in the relevant fields. * If the buffer is too small, then EOVERFLOW is returned. The actually used * size is returned in @size. */ struct statmount { … }; /* * Structure for passing mount ID and miscellaneous parameters to statmount(2) * and listmount(2). * * For statmount(2) @param represents the request mask. * For listmount(2) @param represents the last listed mount id (or zero). */ struct mnt_id_req { … }; /* List of all mnt_id_req versions. */ #define MNT_ID_REQ_SIZE_VER0 … #define MNT_ID_REQ_SIZE_VER1 … /* * @mask bits for statmount(2) */ #define STATMOUNT_SB_BASIC … #define STATMOUNT_MNT_BASIC … #define STATMOUNT_PROPAGATE_FROM … #define STATMOUNT_MNT_ROOT … #define STATMOUNT_MNT_POINT … #define STATMOUNT_FS_TYPE … #define STATMOUNT_MNT_NS_ID … #define STATMOUNT_MNT_OPTS … /* * Special @mnt_id values that can be passed to listmount */ #define LSMT_ROOT … #define LISTMOUNT_REVERSE … #endif /* _UAPI_LINUX_MOUNT_H */
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